Isacc is planning my on building his very own gaming pc. He is going to buy the new gtx 3090 for $3,340 and cpu his final bill is 3,420 what is the cost of the cpu HURRY PLEASR

A)a square brown tarp has a square green patch green in the corner the side length of the tarp is (x + 8) and the side length of the patch is x what is the area of the brown part of the tarpb)a square red placemat has a gold square in the corner the side length of the gold square is (x - 2) inches with the width of the red region is 4 in what is the area of the red part of the placemat